What is SPODES and what does it have to do with an electric energy meter



In October 2019, the second version of the SPODES specification was released - the corporate standard of PJSC Rosseti STO 34.01-5.1-006-2019 “Electricity meters. Requirements for the information model of data exchange " , and in July 2020 the Federal Agency for Technical Regulation and Metrology" Rosstandart "approved SPODES as a national standard of the Russian Federation GOST R 58940-2020" Requirements for information exchange protocols between components of an intelligent accounting system and metering devices ".



In one year SPODES has gone from a corporate standard to a national standard of the Russian Federation. However, even today for many, SPODES is a secret behind seven seals.



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DLMS/COSEM



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, - . , , DLMS/COSEM (IEC 62056).



DLMS/COSEM? , , .



DLMS/COSEM, .



COSEM COSEM, , Blue Book DLMS UA. , , , , COSEM. DLMS.



C DLMS/COSEM : , . . :



  • IEC 62056-7-6:2013 – HDLC;
  • IEC 62056-8-3:2013 – PLC S-FSK;
  • IEC 62056-9-7:2013 – TCP-UDP/IP;
  • IEC 62056-7-3:2017 – M-Bus;
  • IEC 62056-8-5:2017 – PLC OFDM G3;
  • IEC 62056-8-4:2018 – PLC OFDM PRIME;


, , LoRaWAN .



, . , IEC TS 62056-1-1:2016.



DLMS/COSEM , , , , COSEM, . . .





34.01-5.1-006-2019 58940-2020 , 34.01-5.1-006-2019 , 58940-2020 – .



– HDLC (IEC 62056-7-6:2013). RS-485 . , , Mode E, . , HDLC, : TCP-UDP/IP (IEC 62056-9-7:2013) PLC OFDM G3 (IEC 62056-8-5:2017). (GPRS, 3G, LTE) Ethernet. , .



COSEM , .. LN.



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16 32 48
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(Authentication mechanisms)


(No security authentication)


(Low Level Security authentication)


(High Level Security authentication)
  • GET
  • GET with Block Transfer
  • GET
  • GET with Block Transfer
  • Selective Access
  • ACTION
  • GET
  • GET with Block Transfer
  • Selective Access
  • ACTION
  • SET


– Client address ( . 8.4.2.2 Green book DLMS UA 1000-2 Ed. 8.0) HDLC Client side address ( . 7.3.3.4 Green book DLMS UA 1000-2 Ed. 8.0) TCP-UDP/IP.



(GET). , , . . , (GET), (Selective Access), (ACTION) (GET with Block Transfer).



. , (. . 9.2.2.2.2.4 Green book DLMS UA 1000-2 Ed. 8.0), , . AES-128 GMAC: mechanism_id(5).



Security suite 0 (. . 9.2.3.7 Green book DLMS UA 1000-2 Ed. 8.0) . AES-128 GCM, – AES-128 key wrap.



, AES-128 GMAC 34.12-2018 («») CMAC, AES-128 GCM 34.12-2018 («») CTR, AES-128 key wrap KExp15 KImp15 1323565.1.017-2018 34.12-2018 («»).



DLMS/COSEM TK 26 26.4.003-2019 « . . dlms».



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In the blue book you will find a description of the standard interface classes and a description of OBIS codes.



After you become a confident connoisseur of the DLMS / COSEM stack, feel free to open the SPODES specification and create the best, interoperable electric energy meter.




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